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Gretel

A synthetic data platform for developers, ensuring data privacy and innovation.

Try Gretel free
  • Free plan available
  • No credit card
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What is Gretel?

Gretel is a synthetic data platform designed for developers who need realistic test datasets without exposing sensitive information. It generates artificial data that mirrors the statistical properties and patterns of real data, allowing you to build and train AI models safely. The platform prioritises data privacy by keeping user information on-premise and never training its models on customer-specific data. Gretel supports multiple programming languages and integrates with popular development workflows, making it straightforward to generate synthetic datasets through code or a web interface. It serves developers, data scientists, and teams building AI systems who need to balance testing accuracy with privacy compliance and data security.

Key features

Synthetic data generation

Create artificial datasets with realistic properties matching your original data

Privacy-first approach

Models never trained on user data; generated data stays under your control

Code-based API

Generate synthetic data directly in Python, JavaScript, or other languages with minimal code

Multilingual support

Works with data across many languages for diverse use cases

Data quality metrics

Assess similarity and statistical fidelity between synthetic and real datasets

Flexible export

Output synthetic data in various formats for different tools and workflows

Pros & cons

Advantages

  • Strong data privacy guarantees; user data is never used to train models
  • Quick setup and integration; generate datasets within minutes using APIs
  • Reduces risk of data breaches during development and testing
  • Helps meet regulatory requirements like GDPR and HIPAA
  • Community support and active engagement via Discord
  • Works with different data types: tabular, text, images, and time-series data

Limitations

  • Synthetic data may miss rare edge cases or anomalies present in real data
  • Requires some technical knowledge to configure properly for specific use cases
  • Free tier has limitations on data volume and API calls
  • Quality of synthetic data depends on the diversity and quality of your training data

Use cases

Testing machine learning models safely before production deployment

Generating development datasets without handling sensitive customer information

Training data augmentation when real data is limited or costly to collect

Compliance-friendly testing environments for financial, healthcare, or government projects

Load testing and performance validation with realistic but non-sensitive data

Ready to try Gretel?

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Pricing

Free

Free

Basic synthetic data generation, limited API calls, community support

Starter

$299/mo

Increased API calls, larger dataset support, email support, basic analytics

Pro

$999/mo

Higher data volumes, priority support, advanced quality metrics, multiple projects

Enterprise

Contact sales

Custom limits, dedicated support, SLA guarantees, on-premise deployment options

Get started with Gretel

Click through to Gretel and start using it now.

Try Gretel free
  • Free plan available
  • No credit card